Multiple Choice Question (MCQ)

Question: What is the absolute pressure of gas cylinder if the gauge reads 15.3 p.s.i.g?
A. 10 p.s.i.a
B. 20 p.s.i.a
C. 30 p.s.i.a
D. 40 p.s.i.a
Correct Answer: 30 p.s.i.a